By Don E. Miller

Originally published in 1966 as Kansas Geological Survey Bulletin 181.

This online version has been created because the published version is
currently out of print. This is, in general, the original text as reprinted in 1966.
The information has not been updated. Also, the photos are not available
at this time in this electronic version.

You may also wish to visit our web site on the
Miami County geologic map.